Temperatures acceptable for equipment while flying.....?

[Ron Van Putte]

On Jan 5, 2005, at 3:52 PM, Jeff Hughes wrote:

> So how do you guys ice fish down there?

I was born in Rochester, NY and have seen all the ice I care to see, 
unless it's with some single malt Scotch.

Ron Van Putte

> ----- Original Message -----
>  From: Earl Haury
> To: discussion at nsrca.org
> Sent: Wednesday, January 05, 2005 10:18 AM
> Subject: Re: Temperatures acceptable for equipment while flying.....?
>
> Chris
>  
> I pretty much agree with Karl, Chad, & Eric. The balsa foam airplane 
> may change trim, depending on the linkage, hard to tell just what will 
> happen with the composites. Batteries are the biggest concern. When I 
> lived where it got cold I would test airborne radio systems in the 
> freezer at 0F. About 25% of the servos simply quit working - 
> everything else seemed OK. As the most volatile fuel component has a 
> flash point (makes flammable vapors) of +50F, engine starting is a 
> problem. As Karl mentions, lighter fluid (couple of drops) helps. My 
> record for cold flight is -6F, but the best solution I've found is 
> moving south - been in the upper 70's in Houston all week.
>  
> Earl
> ----- Original Message -----
>  From: Karl G. Mueller
> To: discussion at nsrca.org
> Sent: Wednesday, January 05, 2005 8:53 AM
> Subject: Re: Temperatures acceptable for equipment while flying.....?
>
> Chris,
>  
> Extreme cold and ultra violet rays will make most plastics more 
> brittle.
> You will not get as much power out of your batteries as would in warmer
> weather.
> In the years when we were running the .60 size engines we would use
> Lighter Fluid to get the engines started.
>  Now I just don't go out any more in the cold weather. It does not get 
> as cold
> around here (Toronto.Ontario) as it does out west. They were having 
> -35 Cº
> with a wind chill  to - 45 Cº.  Brrrrrrrrrrrrrrr.
> You wont stay outside longer than you have too at these temps.
>  
> Karl G. Mueller
> kgamueller at rogers.com
>  
>  
> ----- Original Message -----
>  From: White, Chris
> To: discussion at nsrca.org
> Sent: Wednesday, January 05, 2005 8:05 AM
> Subject: Temperatures acceptable for equipment while flying.....?
>
> Hi,
>  
> Hey, I was out flying on Christmas Eve in OK and it was about 22 
> degrees.....  I spent extra time warming the YS at idle, but thoughts 
> were crossing my mind about how bad the cold weather is on our 
> equipment (nylon components etc....) .  I'm sure the guys up North 
> have limits on cold temps and I'd be interested to hear your concerns 
> or special cares.
>  
> I'm running a balsa/foam airplane, YS140 Sport (30% CP Heli fuel), and 
> a JR PCM 10X with Digitals and Nimh batteries.
>  
> Thanks for your feedback....!
> Chris White 
>  
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